On 29/04/2022 23:11, Nícolas F. R. A. Prado wrote: > The SCP has three memory regions: sram, l1tcm and cfg. Only sram is > required, the other two are optional. Fix the dt-binding so that the > optional regions can be omitted and passed in any order. No, cannot be passed in any order. > > Also add the missing minItems to the reg property and update the > description. > > Signed-off-by: Nícolas F. R. A. Prado <nfraprado@xxxxxxxxxxxxx> > > --- > > .../devicetree/bindings/remoteproc/mtk,scp.yaml | 12 +++++++++--- > 1 file changed, 9 insertions(+), 3 deletions(-) > > diff --git a/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml b/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml > index 823a236242de..ec9ddeb6ca2c 100644 > --- a/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml > +++ b/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml > @@ -24,14 +24,20 @@ properties: > reg: > description: > Should contain the address ranges for memory regions SRAM, CFG, and > - L1TCM. > + L1TCM. Only SRAM is required, while CFG and L1TCM are optional. > + minItems: 1 > maxItems: 3 > > reg-names: > + minItems: 1 > items: > - const: sram > - - const: cfg > - - const: l1tcm > + - enum: > + - l1tcm > + - cfg > + - enum: > + - l1tcm > + - cfg This allows them in any combination which is not what we want. If both are optional and both can appear, then last should be a const:l1tcm. Best regards, Krzysztof